Home / 20,372,681.52-30,571,591.82-9,440,833.52

Finding the Fourth Proportional to 20,372,681.52, 30,571,591.82 and 9,440,833.52

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Solution

The fourth proportional to 20,372,681.52, 30,571,591.82 and 9,440,833.52 is: 14,167,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,681.52 : 30,571,591.82 = 9,440,833.52 : x
  2. Step 2: Convert to fraction form
    20,372,681.52/30,571,591.82 = 9,440,833.52/x
  3. Step 3: Cross multiply
    20,372,681.52x = 30,571,591.82 × 9,440,833.52
  4. Step 4: Simplify right side
    20,372,681.52x = 288,621,308,814,013.81
  5. Step 5: Solve for x
    x = 288,621,308,814,013.81/20,372,681.52
  6. Step 6: Final answer
    x = 14,167,075.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.